申请人:E.R. Squibb & Sons, Inc.
公开号:EP0138407A1
公开(公告)日:1985-04-24
Antibacterial activity is exhibited by 2-azetidinones having a 3-acylamino substituent and a 1-substituent of the formula
or a salt or ester thereof).
具有 3-酰
氨基取代基和 1-取代基的
2-氮杂环丁酮具有抗菌活性,其式为
或其盐或酯)。